CVE-2026-42721 WordPress affiliate-toolkit plugin <= 3.9.1 - SQL Injection vulnerability
Attackers can perform blind SQL injection to read sensitive database information from the affiliate-toolkit WordPress plugin.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-42721?
CVE-2026-42721 is a high-severity SQL injection vulnerability in SERVIT Software Solutions affiliate-toolkit, published on 7 Oct 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in SERVIT Software Solutions affiliate-toolkit affiliate-toolkit-starter allows Blind SQL Injection.This issue affects affiliate-toolkit: from n/a through 3.9.1.
Weakness: CWE-89
Which versions are affected by CVE-2026-42721?
How do I fix CVE-2026-42721?
No fix has been published for CVE-2026-42721 yet. Limit exposure of the affected software until one is available.
Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.
Is CVE-2026-42721 being exploited?
There is no known exploitation of CVE-2026-42721 in the wild and no public exploit code.
Sources
Also known as GHSA-m2c3-6qqh-2gh9.